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| 2 | #ifndef BOOST_MPL_AUX_PREPROCESSOR_EXT_PARAMS_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_AUX_PREPROCESSOR_EXT_PARAMS_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Aleksey Gurtovoy 2000-2004 |
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| 6 | // |
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| 7 | // Distributed under the Boost Software License, Version 1.0. |
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| 8 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 10 | // |
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| 11 | // See http://www.boost.org/libs/mpl for documentation. |
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| 12 | |
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| 13 | // $Id$ |
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| 14 | // $Date$ |
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| 15 | // $Revision$ |
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| 16 | |
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| 17 | #include <boost/mpl/aux_/config/preprocessor.hpp> |
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| 18 | |
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| 19 | // BOOST_MPL_PP_EXT_PARAMS(2,2,T): <nothing> |
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| 20 | // BOOST_MPL_PP_EXT_PARAMS(2,3,T): T2 |
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| 21 | // BOOST_MPL_PP_EXT_PARAMS(2,4,T): T2, T3 |
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| 22 | // BOOST_MPL_PP_EXT_PARAMS(2,n,T): T2, T3, .., Tn-1 |
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| 23 | |
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| 24 | #if !defined(BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES) |
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| 25 | |
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| 26 | # include <boost/mpl/aux_/preprocessor/filter_params.hpp> |
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| 27 | # include <boost/mpl/aux_/preprocessor/sub.hpp> |
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| 28 | |
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| 29 | # define BOOST_MPL_PP_EXT_PARAMS(i,j,p) \ |
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| 30 | BOOST_MPL_PP_EXT_PARAMS_DELAY_1(i,BOOST_MPL_PP_SUB(j,i),p) \ |
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| 31 | /**/ |
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| 32 | |
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| 33 | # define BOOST_MPL_PP_EXT_PARAMS_DELAY_1(i,n,p) \ |
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| 34 | BOOST_MPL_PP_EXT_PARAMS_DELAY_2(i,n,p) \ |
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| 35 | /**/ |
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| 36 | |
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| 37 | # define BOOST_MPL_PP_EXT_PARAMS_DELAY_2(i,n,p) \ |
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| 38 | BOOST_MPL_PP_EXT_PARAMS_##i(n,p) \ |
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| 39 | /**/ |
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| 40 | |
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| 41 | # define BOOST_MPL_PP_EXT_PARAMS_1(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##1,p##2,p##3,p##4,p##5,p##6,p##7,p##8,p##9) |
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| 42 | # define BOOST_MPL_PP_EXT_PARAMS_2(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##2,p##3,p##4,p##5,p##6,p##7,p##8,p##9,p1) |
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| 43 | # define BOOST_MPL_PP_EXT_PARAMS_3(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##3,p##4,p##5,p##6,p##7,p##8,p##9,p1,p2) |
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| 44 | # define BOOST_MPL_PP_EXT_PARAMS_4(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##4,p##5,p##6,p##7,p##8,p##9,p1,p2,p3) |
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| 45 | # define BOOST_MPL_PP_EXT_PARAMS_5(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##5,p##6,p##7,p##8,p##9,p1,p2,p3,p4) |
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| 46 | # define BOOST_MPL_PP_EXT_PARAMS_6(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##6,p##7,p##8,p##9,p1,p2,p3,p4,p5) |
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| 47 | # define BOOST_MPL_PP_EXT_PARAMS_7(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##7,p##8,p##9,p1,p2,p3,p4,p5,p6) |
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| 48 | # define BOOST_MPL_PP_EXT_PARAMS_8(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##8,p##9,p1,p2,p3,p4,p5,p6,p7) |
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| 49 | # define BOOST_MPL_PP_EXT_PARAMS_9(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##9,p1,p2,p3,p4,p5,p6,p7,p8) |
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| 50 | |
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| 51 | #else |
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| 52 | |
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| 53 | # include <boost/preprocessor/arithmetic/add.hpp> |
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| 54 | # include <boost/preprocessor/arithmetic/sub.hpp> |
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| 55 | # include <boost/preprocessor/comma_if.hpp> |
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| 56 | # include <boost/preprocessor/repeat.hpp> |
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| 57 | # include <boost/preprocessor/tuple/elem.hpp> |
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| 58 | # include <boost/preprocessor/cat.hpp> |
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| 59 | |
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| 60 | # define BOOST_MPL_PP_AUX_EXT_PARAM_FUNC(unused, i, op) \ |
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| 61 | BOOST_PP_COMMA_IF(i) \ |
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| 62 | BOOST_PP_CAT( \ |
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| 63 | BOOST_PP_TUPLE_ELEM(2,1,op) \ |
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| 64 | , BOOST_PP_ADD_D(1, i, BOOST_PP_TUPLE_ELEM(2,0,op)) \ |
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| 65 | ) \ |
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| 66 | /**/ |
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| 67 | |
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| 68 | # define BOOST_MPL_PP_EXT_PARAMS(i, j, param) \ |
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| 69 | BOOST_PP_REPEAT( \ |
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| 70 | BOOST_PP_SUB_D(1,j,i) \ |
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| 71 | , BOOST_MPL_PP_AUX_EXT_PARAM_FUNC \ |
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| 72 | , (i,param) \ |
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| 73 | ) \ |
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| 74 | /**/ |
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| 75 | |
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| 76 | #endif |
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| 77 | |
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| 78 | #endif // BOOST_MPL_AUX_PREPROCESSOR_EXT_PARAMS_HPP_INCLUDED |
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| 79 | |
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